ArcaMax

Register for your free account:

Subscribe to any feature and receive your newsletter directly in your inbox.
Easy email subscription management.
Claim your rewards from the Reader Perks section!

Daily Trivia

How can you tell the difference between ivory from different species?

on Jun 9, 2025

Most people can't. Ivory from one animal species is difficult to distinguish from that of another. Even experts can have difficulty.

More Daily Trivia

Why is there no gallium jewelry?

Daily Trivia / December 12, 2025

The rare metal gallium melts at 86 degrees Fahrenheit. It is safe to touch; if you hold a piece of it in your hand and wait, it will melt.

How long would a 19th century Londoner live?

Daily Trivia / December 12, 2025

The average life span of London residents in the middle of the 19th century was 27 years. For members of the working class, that number dropped to 22 years.

How hot are the earth's innards?

Daily Trivia / December 12, 2025

The temperature of Earth increases about 36 degrees Fahrenheit (20 degrees Celsius) for every kilometer (about 0.62 miles) you go down. Near the center, its thought to be at least 7,000 degrees Fahrenheit (3,870 Celsius).

What was Mr. Ed's real name?

Daily Trivia / December 12, 2025

Television's Mr. Ed was played by a horse named Bamboo Harvester. The voice was supplied by Allan Lane.

How many comets have we lost?

Daily Trivia / December 12, 2025

In the history of the solar system, 30 billion comets have been lost or destroyed. That amounts to only 30 percent of the estimated number that remain.